class ImpulseBlock(PhysicsObject):
BOUNCE_FACTOR = 1.35
BOUNCE_MIN_INTERVAL = 0.5
def __init__(self, pos, color, direction):
PhysicsObject.__init__(self, (pos[0] + 16, pos[1] + 16), (0, 0), (32, 32), BODY_STATIC)
self.sprite = Sprite('./assets/img/arrow_blocks.png', (32, 32), 0.1)
self.id = ID_OBJ
self.colors = COLORS + ['gray']
color_index = self.colors.index(color)
self.active_color = self.colors[ color_index ]
self.sprite.use_frames([color_index])
self.sprite.update(5)
self.direction = direction # 1(down) or -1(up)
self.sprite.set_direction(False, direction)
def change_obj_velocity(self, obj):
if obj.active_color != self.active_color:
if obj.bounce_timer <= 0.0:
if obj.id == ID_PLAYER:
PLAY_SOUND(obj.sound_jump)
obj.bounce_timer = self.BOUNCE_MIN_INTERVAL
if obj.vel.y < 50:
obj.vel.y = PLAYER_JUMP_FORCE
else:
obj.vel.y = (obj.vel.y * self.BOUNCE_FACTOR) * self.direction
return True
return False
def update(self, dt):
pass
def draw(self, screen, view_rect):
rect = copy.copy(self.rect)
rect.left -= view_rect.left - rect.width / 2
rect.top -= view_rect.top
self.sprite.draw(screen, rect)
class Player(PhysicsObject):
def __init__(self, pos, color_interval, input):
PhysicsObject.__init__(self, pos, (0, 0), (28, 48), BODY_DYNAMIC)
self.change_color_mode = False
self.color_interval = 0
self.color_timer_text = None
if color_interval > 0:
self.change_color_mode = True
self.color_interval = color_interval
font = Font('./assets/font/vcr.ttf', 18)
self.color_timer_text = Text(font, str(color_interval), (740, 5))
self.color_timer_text.update = True
self.color_timer = 0.0
self.input = input
self.sprite = Sprite("./assets/img/new_guy.png", (64, 64), (1.0 / 12.0))
self.set_foot(True)
self.active_color = 'red'
self.acceleration = 400
self.dead = False
self.sound_jump = Sound('./assets/audio/jump.wav')
self.sound_land = Sound('./assets/audio/land.wav')
self.sound_push = Sound('./assets/audio/push.wav')
self.sound_timer = 0.0
self.sound_min_interval = 0.5
self.id = ID_PLAYER
self.bounce_timer = 0.0
# view rectangle for HUD stuff
self.view_rect = Rect(0, 0, 0, 0)
def handle_input(self, dt):
self.target_vel.x = 0
if self.input.is_pressed(K_RIGHT):
if not self.wants_to_move:
self.wants_to_move = True
self.target_vel.x = 300
self.sprite.set_direction(1)
self.sprite.use_frames([1, 2])
elif self.input.is_pressed(K_LEFT):
if not self.wants_to_move:
self.wants_to_move = True
self.target_vel.x = -300
self.sprite.set_direction(-1)
self.sprite.use_frames([1, 2])
if self.input.is_down(K_UP) and self.on_ground:
self.vel.y = PLAYER_JUMP_FORCE
PLAY_SOUND(self.sound_jump)
# if we are in the automatic color changing mode
# ignore the input from the user
if self.change_color_mode:
return
if self.input.is_down(K_1):
self.active_color = 'red'
self.sprite.set_offset(0)
elif self.input.is_down(K_2):
self.active_color = 'green'
self.sprite.set_offset(4)
elif self.input.is_down(K_3):
self.active_color = 'blue'
self.sprite.set_offset(8)
def play_land_sound(self):
if self.sound_timer > self.sound_min_interval:
PLAY_SOUND(self.sound_land.play())
self.sound_timer = 0.0
def on_collide_obj(self, obj):
if isinstance(obj, ColorChangingBlock) or \
isinstance(obj, MovingBlock) or \
isinstance(obj, MovableBlock) or \
isinstance(obj, ImpulseBlock):
if obj.active_color != self.active_color:
if self.vel.y > 1.0:
pass
return True
return False
elif isinstance(obj, LavaBlock):
self.dead = True
elif isinstance(obj, ExitBlock):
return True if self.active_color != 'green' else False
return True
def on_collide_platform(self, platform):
if platform.layer != self.active_color:
if self.vel.y > 1.0:
pass
return True
return False
def change_color(self):
current_color_index = COLORS.index(self.active_color)
next_color_index = (current_color_index + 1) % len(COLORS)
self.active_color = COLORS[next_color_index]
self.sprite.set_offset(4 * next_color_index)
def update(self, dt):
PhysicsObject.update(self, dt)
self.handle_input(dt)
self.sprite.update(dt)
self.sound_timer += dt
if self.bounce_timer > 0.0:
self.bounce_timer -= dt
if self.change_color_mode:
self.color_timer_text.text = str(self.color_interval - self.color_timer)[:4]
self.color_timer += dt
if self.color_timer >= self.color_interval:
self.color_timer = 0.0
self.change_color()
if self.vel.y > 1.0 and not self.on_ground:
self.sprite.use_frames([3])
else:
self.sprite.use_frames([0])
def draw(self, screen):
rect = copy.copy(self.rect)
# TODO: find the reason of this bug
rect.bottom -= 16
self.sprite.draw(screen, rect)
if not self.color_timer_text is None:
self.color_timer_text.draw(screen, self.view_rect)